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Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan

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Published by Universitas Diponegoro

ISSN : 1907817X EISSN : 25500023 DOI : -

Core Subject : Science, Agriculture,

Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

Arjuna Subject : -

Articles 19 Documents

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Search results for , issue "Vol 18, No 2 (2021): July 2021" : 19 Documents clear

A Brief of Water and Soil Pollution Management (Recent Trend and Economic Perspective) Muhammad Safri; Nurhayani Nurhayani; Desy Rosarina
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Soil and water pollution are the most crucial issues in the world. Various reports have informed that pollution has had long-term adverse effects on environmental sustainability and human health. Several methods have been reported to be effective in reducing pollutant parameters in water and soil. The methods often used in water and soil remediation are bioremediation (land-vetting, bio-cell. Bio cell, Phytoremediation, Land venting, Composite, Bio venting, Bio slurry), Adsorption, Pretreatment (Ultrasonic), Microwave, Electrokinetic disintegration, High-Pressure Homogenization/HPH, Thermal Hydrolysis, Acid hydrolysis (HCl, H2SO4, H3PO4, and HNO3), Ozonation, Fenton Oxidation, Fe (II) -activated persulfate, Protease, amylase, lipase. This paper will explain water and soil pollution and the methods used to overcome them. Information collection is carried out using secondary data; internationally reputable journals and accredited national journals are used to obtain information about the effectiveness and costs incurred. This paper will provide a holistic comparison of prices, effectiveness, and information on various remediating water and soil pollution methods around the world. Based on the NPV and IRR analysis, the water treatment method using the adsorption method is an economically feasible method with an IRR value of 51%.

Water Quality Index Analysis for Water Drinking and Irrigation in the Sumowono Groundwater Basin Thomas Triadi Putranto; Novie Susanto; Dina Rahayuning Pangestuti; Aji Bagas Putro
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

The Sumowono Groundwater Basin is a cross-district basin located in Central Java Province, between Temanggung Regency, Kendal Regency, and Semarang Regency. The people in this area obtain fresh water from either dug wells or springs. The purpose of this research is to determine the feasibility of groundwater for drinking water and irrigation purposes. The method used was hydrogeological mapping and physical and chemical analysis of 10 groundwater samples. The samples were subjected to empirical testing of the Groundwater Quality Index to determine the feasibility of drinking water and irrigation using Sodium Adsorption Ratio (SAR) analysis and Wilcox diagram. The results showed that all samples physically have tasteless and odorous properties. For the chemical properties produced in the ten samples, the pH value ranges from about 6.85 - 7.27. The electrical conductivity is between 71.6 - 511 µS/cm. Total Dissolved Solids values are between 45.82 and 327.04 mg/L, with total hardness values ranging from 10 to 170 mg/L. From the results of the SAR analysis, it is found that the groundwater classes were included in S1C1 and S1C2, so that groundwater has low alkaline in both sodium and salinity, respectively. Thus, groundwater is considered suitable for consumption and irrigation purposes,

The Effectiveness of Reducing Ammonia Content Using Phytoremediation Methods in Domestic Waste of Pelita Bangsa University Nisa Nurhidayanti; Nadya Ulfani Sara
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Pelita Bangsa University is a private university with an increasing number of students every academic year. The increase in the number of students causes an increase in the amount of domestic waste generated. This study aims to determine the effectiveness of reducing Ammonia content in Pelita Bangsa University Domestic Waste by phytoremediation method using Apu Wood (Pistia stratiotes L.) and Kana Flower (Canna Indica) as well as the use of coffee grounds as activated carbon. The first step in this research is the manufacture of activated carbon from coffee grounds. The next step is to take samples of the Pelita Bangsa University domestic waste test. The test samples were brought to the laboratory, and the Ammonia parameter was tested to determine the initial concentration of the waste. Then the next step is the acclimatization process of plants and then continued with the Range Finding Test process. After that, the waste treatment process is carried out with a phytoreactor. Furthermore, the waste from the phytoreactor processing is taken to the laboratory for testing the ammonia parameters. The last step is to analyze the test results data. Based on the results of laboratory tests, the ammonia content after the phytoremediation process with and without a filter is <0.1 mg/L with the effectiveness of reducing the ammonia concentration by 97.10% with the addition of coffee grounds activated carbon filter and 96.7% for the use of the phytoremediation method without filters.

Forecasting Greenhouse Gas Emissions from Heavy Vehicles: A Case study of Semarang City Mochamad Arief Budihardjo; Isaaf Fadhilah; Natasya Ghinna Humaira; Mochtar Hadiwidodo; Irawan Wisnu Wardhana; Bimastyaji Surya Ramadan
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

In Indonesia, transportation sector, specifically road transport consumed most energy compared to other sectors. Eventually, the energy consumption will increase due to the growth of vehicle number that also escalate emission. Vehicle emissions had been recognized as a significant contributor to atmospheric greenhouse gas (GHG) pollution. Heavy-duty vehicles are considered as main sources of vehicular emissions in most cities. Therefore, it is crucial to take into account heavy-duty vehicle emission projections in order to support policymakers to identify vehicle emissions and develop pollution control strategies. The aim of this study is to forecast heavy-duty vehicle population, vehicle kilometers travelled (VKT), fuel consumption, and heavy-duty vehicle emissions using data of Semarang City to illustrate greenhouse gas emission of big cities in Indonesia. Business as Usual (BAU) and The Intergovernmental Panel on Climate Change (IPCC) method were incorporated to determine vehicle emission projection. Heavy-duty vehicle emissions increase from 2021 to 2030 by 12.317 to 22.865 Gg CO2/year with amount trucks and buses emissions of 21.981,5 Gg CO2/year and 884,2 Gg CO2/year, respectively.

Community Perception and Participation of the Forestry Partnership Scheme on PT. Restorasi Ekosistem Indonesia Working Area in Jambi Province Erwin Herwindo; Rosyani Rosyani; Eva Achmad
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Granting legal access to PT. REKI in ex. PT. The Asialog concession area in 2010 was marked by resistance accompanied by violence and claims by community groups (claimer). Conflict resolution with the Forestry Partnership approach resulted Forestry Partnership Recognition and Protection (Kulin KK) agreements for 79 heads of households who were members of 4 (four) groups. The question of this research is how the perceptions and participation of Kulin KK holders and the relationship between the two variables. The objectives of the study are to analyse the perceptions and participation and the relationship of its variables. This research is descriptive with a quantitative approach. The sampling technique used the census method with many respondents and 75 holders of legal access to Kulin KK. Perception and participation analysis and categorisation use 3 (three) point Likert scale and the score interval equation. The analysis of the relationship between perception and participation variables uses the Spearman correlation analysis. The results showed that the public perception of the provisions of the Forestry Partnership scheme was in the high category of 96% and 4% in the medium category, while the level of community participation was in the high category of 36%, 24% medium and 40% low. Perception and participation are negatively related.

Multi Perception Analysis of Medan City Residents Against the River Environment Indriyani Rachman; Ira Rumiris Hutagalung; Toru Matsumoto
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Deli Medan River is one of the rivers used as a mode of transportation in the 1980s. The shift in water transportation to land causes the Deli Medan River not to get attention and tend to be ignored. This study aims to describe the perception of the people of Medan City on the Deli River Medan while at the same time looking for a correlation between each variable. This study involved 365 respondents divided from various urban villages in the Medan City area (136 men and 232 girls). The selected respondents are aged 9-60 years with a vulnerable elementary school to a college education. Spearman correlation analysis is used to see the relationship between variables. The results of the study inform that there is no relationship between pollution and siltation that occurs in the Deli River Medan, different results are shown between the changing of river transportation modes to land caused by river silting, the level of education and awareness in disposing of waste, as well as pollution that occurs and industries that dispose of waste. Wastewater in the Medan Deli River body (Sig. <0.05). Furthermore, the Deli Medan River has been polluting by waste and wastewater.

Implementation of Zero Etanol in the Analysis of Lambucid Tablet Sampling at PT. Kalbe Farma Tbk Nisa Nurhidayanti; Deni Rusli
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

PT. Kalbe Farma Tbk Bekasi is one of the pharmaceutical industries in Indonesia which has an essential role in the world of health because it produces several different preparations of drugs, one of which is lambucid tablets as medicine for heartburn. The ethanol waste produced in the production of lambucid tablets is toxic and can pollute the environment if it is not managed correctly. In testing the levels of the active substance in the Lambucid tablet product, it is known that the analysis process produces quite a lot of ethanol waste. This study aims to implement a method of developing the lambucid tablet production analysis test without making ethanol waste. The development method for removing ethanol in the analysis of lambucid tablet samples was carried out by replacing the titration method, which originally required quite a lot of ethanol to become an analytical method based on MA Tentative Promag Fruity Strawbery Tablet with number: MP-I 664253 A, this method has been tested by the team. RnD Andev PT.Kalbe Farma so that the data obtained are valid data with the advantage of not producing ethanol waste in each analysis. Through this method, the company can save Rp. 46.800.000 per year for the purchase of pure ethanol.

Home Biogas Production using Homemade Bio-activator with Chicken Manure Heru Surianto; Slamet Raharjo; Suci Wulandari
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

The previous experiment was obtained that homemade activator is the best activator to produce biogas by using food waste consist of vegetable, fruit and rice waste. The current research is carried out by adding chicken manure as a co-activator. Chicken manure content rich in nitrogen can be significantly enhance biogas production. This study is expected to increase the biogas production. There are two processes conducted at the laboratory scale, batch and semi-continuous process. The batch process aim to activate bacteria. The ratio set at food waste/chicken manure, 2 : 1 of digester #1, 3 : 1 of digester #2, 4 : 1 of digester #3 and digester control using food waste only. Stage two aims to produce biogas by adding food waste for 6 days periodically. The ratio is set at food waste/water, 1 : 2. The highest biogas yielded is digester 2 with a cumulative volume biogas 120.77 liters consist of 71.01% CH4, 26% CO2, 2.9% O2 and 0.088% H2S. The potential of methane gas produced is 0.87 kWh and methane volume per TS and VS at around 18.72 L/kg and 34.68 L/kg, respectively.

Water Conservation Planning at Telkom University Landmark Tower Bandung Campus Bizantio Wiranta Ranadipura; Eka Wardhani
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Telkom University makes efforts in developing higher education facilities and capacities by constructing new campus buildings. One of the supports for improving services is sanitation infrastructure in the form of installations consisting of clean water installations, wastewater installations and ventilation, and rainwater installations with the concept of installed clean water. Each building that will be built in the area of West Java Province applies the concept of green buildings and conservation air as regulated in the Regional Regulation of West Java Province 13 of 2013 concerning Buildings, including campus building builders so that business actors are required to implement water management which aims to maintain quality, quantity, and continuity of clean water in West Java Province. The implementation of the installation with the concept of green buildings and air conservation is carried out at the Telkom University Landmark Tower building, which aims to use clean water in the building which can be more efficient because the location of the building is in a clean water distress zone based on the basin map of West Bandung Regency. The implementation of water conservation that is planned is WAC-3 waste water recycling (water recycling) which can be used as a rinse and watering the garden. Construction of infiltration wells which functions to reduce rainwater runoff and increase groundwater reserves, WAC-5 rainwater storage (rainwater storage) which can be used as alternative raw water. The use of the WAC-2 water-saving sanitary device (water feature) uses water usage and PDAM water costs. The application of air conservation that ignores water is 17.5% in the dry season and 61.5% in the rainy season of the clean water need total.

Household Solid Waste Management Strategy in Danau Teluk Sub-District, Jambi City Dea Rifka Irawan; Hutwan Syarifuddin; Sukmal Fakhri
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 2 (2021): July 2021
Publisher : Universitas Diponegoro

Danau Teluk Sub-District is one of the sub-districts in Jambi City. The waste production produced by Danau Teluk Sub-District based on DLH Jambi City data in 2020 reached 8,793.99 kg/day with a population of 12,563 people. In Danau Teluk Sub-District, the production of managed waste reached 71.05% and unmanaged waste reached 28.95%. Compared to other sub-districts, the percentage of managed waste is the lowest and the percentage of unmanaged waste is the highest. This research is conducted on influencing factors using distribution frequency and multiple linear regression, community and government involvement using distribution frequency and chi-square, and determining strategic priorities in household solid waste management using SWOT. Based on the results of the study, there are two factors that influence the management of household solid waste, namely behaviour and knowledge of local regulations, there are two factors that relate to the management of household solid waste, namely implementation and supervision, then the strategic are to carry out waste reduction starting from the source by reducing the use of goods that produce waste and providing data on waste management that is easily accessible to the public such as through social media, websites, television advertisements, bulletin boards, etc.

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